Minecraft Java 1.21 Mods
Browse 3,576 free mods for Minecraft Java 1.21 — popular picks include Patchouli (Fabric/Quilt), YUNG's API (Fabric), Glodium.
Updated daily
Patchouli (Fabric/Quilt)
Fabric and Quilt port of Patchouli
YUNG's API (Fabric)
A library mod for some of YUNG's Minecraft mods (Fabric version)
Glodium
A codelib for render, registry and network stuff
FTB Filter System
FTB Filter System (aka FFS) is a powerful item filtering mod with friendly GUI editing
FLIB
FutureLIBrary mod to speed up porting and developing new content
Moonlight Lib
dynamic data pack and registration, villager activities, custom map marker and a lot more
TerraBlender (Fabric)
A library mod for adding biomes in a simple and compatible manner!
bad packets
Bad Packets allows packet messaging between different modding platforms.
Cardinal Components API
API for data-driven content
FTB Library (Fabric)
Common code for all GUI stuff in FTB Mods. Component/layer based GUI creation. Used by mods such as FTB Chunks, FTB Quests, etc. (Fabric version)
GuideME
A guidebook toolkit for mods and modpack makers alike with comfortable markdown formatting, and live 3d scenes!
![CERBON's API [Forge | Fabric | NeoForge]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/11530.webp)
CERBON's API [Forge | Fabric | NeoForge]
A library mod for CERBON's Minecraft Mods
Resourceful Lib
Resourceful Lib
![Pufferfish's Skills [Fabric & Forge & NeoForge]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/11537.webp)
Pufferfish's Skills [Fabric & Forge & NeoForge]
Adds a fully configurable skill system to the game.
YUNG's API
Library mod for YUNG's mods.
MaLiLib
A library mod for client-side mods. Contains most of the common/shared code of masa's client mods, and adds some inter-operation support between the dependent mods.
FTB Teams (Fabric)
Library for mods that can utilize team progression like FTB Chunks and FTB Quests. (Fabric version)
Atlas Lib
A serialzation and math libary for minecraft mods.
Ponder for KubeJS
Create custom Ponder scenes with KubeJS.
LibrarianLib
An extensive collection of tools, utilities, and frameworks.
MRU
A library mod used by Cassian and IMB11's mods to function.
Iris/Oculus & GeckoLib Compat (Deprecated)
ONLY WORKS FOR OLDER VERSIONS - Fixes GeckoLib animations not working if using a shaderpack with entity shadows.
FTB Quests (Fabric)
FTB Quests is a lightweight, team-based questing mod and is very simple to use. (Fabric version)
BaguetteLib
A simple but powerful event library that gives mod developers the control they actually need.
Integrated API
The library mod for the Integrated Structures series
CoroUtil
Shared library mod for Corosus's mods
Epic Fight
Changes Minecraft Combat into Souls-Like Combat.
MonoLib
A non-invasive library mod for Fabric, Forge, and NeoForge.
TenshiLib (Forge/NeoForge)
Core and Library mod for my other projects
EMI
A featureful and accessible item and recipe viewer
Luna
Core mod for all Luna Pixel Studios modpacks. Provides free world sharing without the need of port forwarding.
Forgified Fabric API
Fabric API implemented on top of NeoForge
Ash API
An abstraction layer between Fabric, Forge, and Quilt's APIs.
Advanced Netherite (Forge / NeoForge)
A configurable, vanilla friendly, open-source mod that adds in more tiers of Netherite!
![YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/11638.webp)
YUNG's API (NeoForge) [1.20.4-1.21.1 ONLY]
A library mod for some of YUNG's Minecraft mods
CraterLib
A library mod for First Dark Development and HypherionSA's mods